/**
 * Copyright (c) Streamlit Inc. (2018-2022) Snowflake Inc. (2022-2025)
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

import { useContext } from "react"

import { ThemeContext, useWindowDimensionsContext } from "@streamlit/lib"

export const useViewportSize = (): { isMobile: boolean } => {
  const { activeTheme } = useContext(ThemeContext)
  const { innerWidth } = useWindowDimensionsContext()

  const breakpoint = parseInt(activeTheme.emotion.breakpoints.md, 10)
  return { isMobile: innerWidth < breakpoint }
}
